The phylum with endoderm, mesoderm, and ectoderm is

a. Cnidaria.

b. Porifera.

c. Platyhelminthes.

d. all of the above.

The step, during protein synthesis, of assembling proteins by decoding the information in messenger rna is called

In mammals, the majority of cardiomyocytes (cardiac muscle cells) undergo repeated DNA replication without cytokinesis as a part of normal development, and in response to injury or heart attack.

Amy gets up from this her seat on a train to move closer to the front just as she begins to walk forward the train stops at a station what is the best explanation of what happened to Amy

Which characteristic is an advantage that ectoparasites have over endoparasites? a. they can more easily disperse to other hosts. b. they are less exposed to predators. c. they are less exposed to changes in the external environment. d.

Which of the following personal health conditions can be controlled by exercise and diet?

Describe the steps involved in the breakdown of glycogen. How does this differ from the formation of glycogen from glucose?

A population of snail darters is drastically reduced by the introduction of a large predator fish into an isolated stream. the predators eat almost all darters less than 5cm long. this is an example of a. the bottleneck effect b.

Which person is most likely to be infected when exposed to foodborn pathogens

What would we expect from a jit plant as compared to a plant that does not use jit?

You should begin a new investigation A. by making up the data that you will report later. B. by reviewing related work done by others. C. by using only your opinion on how the investigation should be done.